Home / 5,460,325.20-8,190,487.80-2,772,939.60

Finding the Fourth Proportional to 5,460,325.20, 8,190,487.80 and 2,772,939.60

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Solution

The fourth proportional to 5,460,325.20, 8,190,487.80 and 2,772,939.60 is: 4,159,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460,325.20 : 8,190,487.80 = 2,772,939.60 : x
  2. Step 2: Convert to fraction form
    5,460,325.20/8,190,487.80 = 2,772,939.60/x
  3. Step 3: Cross multiply
    5,460,325.20x = 8,190,487.80 × 2,772,939.60
  4. Step 4: Simplify right side
    5,460,325.20x = 22,711,727,963,936.88
  5. Step 5: Solve for x
    x = 22,711,727,963,936.88/5,460,325.20
  6. Step 6: Final answer
    x = 4,159,409.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.